PY Numbers

The Portsmouth Yardstick’ (PY) orPortsmouth handicap scheme is a term used for a number of related systems of empiricalhandicapping used primarily in small sailboat racing. The handicap is applied to the time taken to sail any course, and the handicaps can be used with widely differing types sailboats.

This is the MKSC Portsmouth Number List for 2017, which is based on the 2017 RYA List.

The PNs for “missing” classes which are not on the RYA list are indicated with “*”, they may appear in the RYA “Historic PN List”. *** = Portsmouth Number changed from last year

Dinghy Class

PY Number

* 405

1089

420

*** 1110

Albacore

*** 1041

Blaze

*** 1023

* Bosun

1198

British Moth

*** 1155

Buzz

*** 1023

* Byte

1190

Byte C2

*** 1147

Cadet

1428

Comet

*** 1204

* Comet Duo

1178

Comet Trio

*** 1094

Devoti D-Zero

*** 1029

Enterprise

1113

Europe

1145

Finn

*** 1045

Firefly

*** 1165

GP 14

*** 1133

Graduate

*** 1129

* Gull (crewed)

1363

* Heron

1345

Kestrel

*** 1035

Lark

1070

Laser

*** 1097

Laser 2000 (a.k.a. “2000”)

1107

Laser 3000

*** 1085

Laser 4.7

*** 1200

Laser EPS

*** 1030

Laser II

1065

* Laser Pico (single person, no jib)

1330

Laser Radial

*** 1139

Laser Stratos

*** 1095

Laser Vago XD

1074

* Leader

1115

Lightning 368

*** 1170

Megabyte

1060

Miracle

1210

Mirror (crew + spinnaker)

1383

* Mirror (single person + spin)

1365

Mirror (single person, no spin)

1369

National 12

1064

OK

*** 1104

Optimist

1665

* Otter

1275

* Pacer

1193

* Redwing

1094

Rooster 8.1

*** 1045

RS 100 (8.4)

*** 1008

RS 200

1047

RS Aero 5

*** 1120

RS Aero 7

*** 1071

RS Aero 9

*** 1024

RS Feva XL

*** 1240

RS Tera Pro

*** 1364

RS Tera Sport

*** 1432

RS Vareo

*** 1085

RS Vision

*** 1128

Scorpion

1040

* Seafly

1087

* Signet

1265

Snipe

*** 1095

Solo

*** 1143

Solution

*** 1087

Splash

*** 1220

* Sport 14

1055

Streaker

*** 1132

Supernova

1075

Tasar

*** 1015

* Topaz Duo

1190

* Topaz Uno

1251

* Topaz Omega

1075

* Topper Xenon

1079

Topper

*** 1347

Topper 4.2

1400

Wanderer

*** 1180

Wayfarer

*** 1102

* YW Dayboat

1200

For crewed boats sailing single-handed where a specific single-handed PN is NOT listed above a PN shall be calculated as follows:-